Rhomboid major

 This information has been displayed with the kind permission of  SportsInjuryClinic and Get Body Smart who can be found at the links below:

Origin: Spinous processes of T2-T5 vertebrae (red)

Insertion: Medial border of scapula inferior to spine.

Actions: Retracts and elevates medial border of scapula while it downwardly rotates the lateral angle.

Innervation: Dorsal scapular nerve C5.

 

 

Other muscles of the rotator cuff

Infraspinatus

Origin: Posterior surface of the scapula (below the spine of the scapula)
.

Insertion: Greater tuberosity on the humerus
.

Actions: Shoulder abduction, 
External rotation.

Innervation: Suprascapular nerve
.

Daily uses: Brushing hair.

Teres Minor

Origin: Mid section of the lateral border of the scapula

Insertion: Greater tuberosity on the humerus

Actions:External rotation, 
Shoulder adduction

Innervation: Axillary nerve

Daily uses: Brushing hair

Supraspinatus

Origin: Supraspinous fossa

Insertion: Greater tuberosity of the humerus

Actions: Abduction 
Stabilisation of the humerus

Innervation: Suprascapular nerve

Daily uses: Holding shopping bags away from the body

How do you stretch subscapularis and pectoralis major?

You should not complete this stretch if you have any shoulder problems. Speak to your physio who can advise you further.

More Anatomy

Back to muscles

Ligaments

Check out strengthening exercises for the rotator cuff

 

 

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